: It modifies system files and registry entries to trick the software into believing it has a valid license.
: Users cannot access official technical support, service packs, or the SOLIDWORKS Customer Portal . Safe Alternatives 🛠️ Product Activation | SOLIDWORKS
Dassault Systèmes (the makers of SolidWorks) uses sophisticated "phone-home" technology. Even if you use an activator, the software can ping their servers with your IP address.